//控制台输出一个等腰三角形，灵活使用\t和空格(不用循环)
public class homework3 {
    public static void main(String[] args) {
        System.out.println("\t*\t"+"\n"+
                "   ***   \n"+
                "  *****  \n"+
                " ******* \n"+
                "*********");
    }
}
